Now, it is most evident that Mr. Vail saw with a telescope what I photographed; and further, it would be impossible to have these delicate lines in a Photogram, if there was any relative motion.
"Canadian Eclipse Party 1869"
Commander E. D. Ashe
3. Now, on looking at the Des Moines Photogram, you actually see the stumps of these three parallel planes; could anything be more satisfactory?
"Canadian Eclipse Party 1869"
Commander E. D. Ashe